Epa600275038 october 1975 lime use in wastewater treatment: design and cost data by denny s. parker, emilio de la fuente, louis o. britt, max l. spealman, richard j. stenquist, and fred j. zadick brown and caldwell walnut creek, california 94596 contract no. 68030334 project officer james e. smith, jr. wastewater research division municipal environmental research.